How big to make the courtyard
Size the courtyard against the walls around it, not against the lot. A common rule of thumb is a courtyard at least as wide as the surrounding walls are tall, which keeps it bright; about twice the wall height lets low winter sun reach the paving.
- One story: walls usually rise about 10 to 12 ft (3 to 3.7 m) to the eaves, so 12 ft (3.7 m) is a practical minimum width and 20 ft (6.1 m) or more feels open. - Two stories: walls of about 20 ft (6.1 m) call for a court at least 20 ft wide, and 30 to 40 ft (9 to 12 m) if you want sun on the ground. - Use: a table for six with chairs pulled out takes roughly 10 ft x 12 ft (3 m x 3.7 m), and you still need a path around it.
Work out the area with the room area calculator and convert lot widths with meters to feet.
Privacy, daylight and cross-ventilation
A courtyard house turns its back to the street: big glass faces inward and the outer walls get smaller, higher windows. That is what makes it private, even on a tight lot.
For daylight and air, keep wings one room deep, roughly 20 to 24 ft (6 to 7.3 m). A room with a window on the courtyard and another on the outside wall gets light from two sides and a cross breeze, because air moves from the higher-pressure side to the lower one. Offset windows across the court so bedrooms do not look straight into each other, and shade west-facing courtyard glass, which overheats in summer.
Draining an enclosed courtyard
A courtyard closed on all sides has no downhill exit, so every drop of rain on the paving, and on any roof that slopes inward, has to leave through a pipe.
- Slope the paving away from the house, commonly about 2 percent (1/4 in per foot), toward one or more area drains or a trench drain. - Pipe the drains under the house to the storm system, a drywell or a daylight outlet, as your local rules allow. - Set the paving below the interior floor, or put a trench drain at flush thresholds. - Plan an overflow, such as a scupper through a garden wall, for when a drain clogs with leaves.
Drainage requirements vary by city, so confirm the design with a local plumber or civil engineer.
Common courtyard plan mistakes
- A court too small for its walls: a 10 ft (3 m) court inside two-story walls is a shaded well, not a garden. - No indoor route around it: if you must cross the courtyard to reach the bedrooms, add a glazed corridor and count its area. - Forgetting that a courtyard adds exterior wall, foundation edge and roof edge, which add cost compared with a compact box of the same size. - Every door opening onto the court at the same level as the paving, with no drain at the threshold. - Ignoring pool barrier rules when a pool sits inside the court.
How to adapt an idea in the generator
Press Generate this plan on any card to open the house plan AI with that description filled in. Change the house size and courtyard dimensions first, then swap rooms, for example a study for the fourth bedroom or a carport for the garage, or flip the bedroom wing to the other side. The tool draws an unfurnished black-line plan of the ground floor; for a furnished version of one room, use the apartment floor plan tool.
The first preview is free and watermarked. After that each image costs 2 credits, and a 10-second 3D video of your favorite plan costs 30 credits; see pricing. If you are new to reading plans, start with how to read a floor plan.
Frequently asked questions
What is a courtyard house plan?
A house plan arranged around an outdoor space that the house itself encloses on two, three or four sides. Main rooms open onto the courtyard rather than the street, which gives privacy, daylight in the middle of the plan and an outdoor room you can use like any other.
How big should a courtyard be?
A common rule of thumb is at least as wide as the surrounding walls are tall, so about 12 ft (3.7 m) minimum for a one-story house and 20 ft (6.1 m) for two stories. Go wider, about twice the wall height, if you want winter sun on the courtyard floor.
How do you drain an enclosed courtyard?
Slope the paving to one or more area drains or a trench drain, pipe them under the house to the storm system or a drywell, keep the paving below the interior floor and add an overflow route. Rules vary by city, so have a local plumber or engineer confirm the design.
Are courtyard houses more expensive to build?
Usually somewhat, because wrapping rooms around a court adds exterior wall, foundation edge, roof edge and windows compared with a compact rectangle of the same floor area. An L-shape with a garden wall closing the court is the cheapest version; a fully enclosed atrium with internal drainage costs the most.
Do courtyard homes work in cold climates?
Yes, with adjustments: make the court wider so low winter sun reaches it, face it toward the sun, insulate the extra exterior wall and plan for snow and frozen drains. Some cold-climate designs glaze over a small atrium instead of leaving it open.
Are these real house plans?
No. They are AI-drawn inspiration plans, not construction drawings, and they are not drawn to scale or ready for a permit. Use them to compare shapes and room arrangements, then work with a designer or architect. Your first preview in the generator is free.










